Added lot more example code. (0.39.8).

examples/basics/collections.fun

@@ -0,0 +1,30 @@
+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2026 Johannes Findeisen
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2026-03-25
+ */
+
+// Arrays and maps basics
+
+arr = [1, 2, 3]
+push(arr, 4)
+print("arr size=" + to_string(len(arr)) + ", last=" + to_string(arr[3]))
+
+user = {"name": "Lin", "age": 29}
+user["city"] = "Paris"
+for k in keys(user)
+  print(k + ": " + to_string(user[k]))
+
+/* Expected output:
+arr size=4, last=4
+age: 29
+name: Lin
+city: Paris
+*/

examples/basics/fibonacci.fun

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+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2026 Johannes Findeisen
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2026-03-25
+ */
+
+// Fibonacci: iterative and recursive
+
+fun fib_iter(n)
+  if (n <= 1) return n
+  a = 0
+  b = 1
+  i = 2
+  while (i <= n)
+    t = a + b
+    a = b
+    b = t
+    i = i + 1
+  return b
+
+fun fib_rec(n)
+  if (n <= 1) return n
+  return fib_rec(n - 1) + fib_rec(n - 2)
+
+print("fib_iter(10) = " + to_string(fib_iter(10)))
+print("fib_rec(10) = " + to_string(fib_rec(10)))
+
+/* Expected output:
+fib_iter(10) = 55
+fib_rec(10) = 55
+*/

examples/basics/fizzbuzz.fun

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+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2026 Johannes Findeisen
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2026-03-25
+ */
+
+// Classic FizzBuzz from 1..100
+i = 1
+while (i <= 100)
+  out = ""
+  if (i % 3 == 0) out = out + "Fizz"
+  if (i % 5 == 0) out = out + "Buzz"
+  if (len(out) == 0) out = to_string(i)
+  print(out)
+  i = i + 1
+
+/* Expected output: 
+1
+2
+Fizz
+4
+Buzz
+Fizz
+7
+8
+Fizz
+Buzz
+11
+Fizz
+13
+14
+FizzBuzz
+16
+17
+Fizz
+19
+Buzz
+Fizz
+22
+23
+Fizz
+Buzz
+26
+Fizz
+28
+29
+FizzBuzz
+31
+32
+Fizz
+34
+Buzz
+Fizz
+37
+38
+Fizz
+Buzz
+41
+Fizz
+43
+44
+FizzBuzz
+46
+47
+Fizz
+49
+Buzz
+Fizz
+52
+53
+Fizz
+Buzz
+56
+Fizz
+58
+59
+FizzBuzz
+61
+62
+Fizz
+64
+Buzz
+Fizz
+67
+68
+Fizz
+Buzz
+71
+Fizz
+73
+74
+FizzBuzz
+76
+77
+Fizz
+79
+Buzz
+Fizz
+82
+83
+Fizz
+Buzz
+86
+Fizz
+88
+89
+FizzBuzz
+91
+92
+Fizz
+94
+Buzz
+Fizz
+97
+98
+Fizz
+Buzz
+*/

examples/basics/hello_world.fun

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+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2026 Johannes Findeisen
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2026-03-25
+ */
+
+// Minimal Hello World in Fun
+print("Hello, World!")
+
+/* Expected output:
+Hello, World!
+*/